During pregnancy, pregnant women should try not to take cold medicine to prevent adverse effects on the development of the fetus. Cold medicines are prone to adverse reactions to the nervous system and may pass through the placental barrier, directly affecting the fetus, which is detrimental to the development of the fetus, and in serious cases, may lead to fetal deformities or even miscarriage of the pregnant woman, so it is not recommended for pregnant women to take cold medicines. Therefore, it is not recommended for pregnant women to take cold medicine. If you have a cold, you can promote the improvement of the symptoms by resting and improving the immune system. It is recommended that pregnant women pay attention to moderate activities to enhance their physical fitness and minimize the occurrence of colds during pregnancy. When the symptoms of cold and flu continue to fail to improve, pregnant women need to go to the hospital in time, under the guidance of the doctor for treatment, to avoid unauthorized use of medication, to prevent affecting the growth of the fetus.